lovecoding
/
W250511


			
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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <script>
        // 数组的解构赋值
        // 按照数组的顺序进行赋值
        // let arr = [1,2,3,4,5];
        // let a = arr[0];
        // let b = arr[1];
        // let c = arr[2];
        // let [a,b,c,d,e] = arr;
        // console.log(a,b,c,d,e);
        // let [a,b] = arr;
        // console.log(a,b);


        // 对象的解构赋值
        // 按照对象的属性名进行赋值
        // let person = {
        //     name:"张三",
        //     age:18,
        //     sex:"男"
        // }
        // let {age,name,sex} = person;
        // console.log(name,age,sex);
        // 可以给属性名起别名
        // let {name:userName,age,sex} = person;
        // console.log(userName,age,sex);


        // 字符串结构
        // 字符串也可以解构赋值
        // 类似于数组结构 按照顺序赋值
        // let str = "hello";
        // let [a,b,c,d,e] = str;
        // console.log(a,b,c,d,e);

        // 参数结构
        // let person = {
        //     userName:"张三",
        //     age:18,
        //     sex:"男"
        // }    
        // function fn(val){
        //     // let thisName = val.userName;
        //     // let thisAge = val.age;
        //     // let thisSex = val.sex;
        //     let {userName:thisName,age:thisAge,sex:thisSex} = val;
        //     let str = `我叫${thisName},我今年${thisAge}岁,我是${thisSex}`;
        //     console.log(str);
        // }  
        // fn(person);  


        function fn(){
            let obj = {
                a:1,
                b:"hello",
                c:[1,2,3]
            }
            // ........
            return obj;
        }
        // let val = fn();
        // console.log(val.a,val.b,val.c);
        let {a,c} = fn();
        console.log(a,c);

        let a1 = 1;
        let a2 = 2;


    </script>
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